Answer:
#1: 11 cm
#2: 16.5 in
#3: 2.5 feet
Step-by-step explanation:
#1
Solve for width by substracting 2l on both sides to isolate 2w

or

Replace.

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#2


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#3

Solve for l

12 because six people came to the party and you shake their hand
Answer:
2, -3
Step-by-step explanation:
I think this is right.
Maybe just wait till someone else answers just to makae sure this is exactly the right answer.
Answer:
72
Step-by-step explanation:
C = pi* d
pi= 3 (given in the problem)
d=24(the diameter is given in the picture)
C= 3*24 = 72
Answer:
ok
Step-by-step explanation: